Science Page 33

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  1. Earth & Space

    What Is the Carrington Event and Could It Happen Again?

    The 1859 Carrington Event sent auroras to the tropics and set telegraph wires on fire. Here’s what caused it and how likely a repeat is today.

    By Lydia Harding
  2. Chemistry

    Is Calcium Carbonate (CaCO3) Soluble or Insoluble?

    Understand the variable solubility of $\text{CaCO}_3$. Explore the chemical energy balance and the acidic conditions required for its dissolution.

    By Abigail Nelson
  3. Physics

    What Does Helium Do to Your Voice? And Is It Safe?

    Discover the science behind how helium changes your voice and understand essential safety considerations.

    By Dong-hyun Kim
  4. Chemistry

    What Is Amorphous Silica? Forms, Uses, and Safety

    Amorphous silica is widely used in food, medicine, and cosmetics—and carries far fewer health risks than its crystalline counterpart. Here’s what to know.

    By Edgar Ruiz
  5. Biology

    Is Saliva Filtered Blood? How Saliva Is Actually Made

    Learn the complex truth about saliva production. It is not filtered blood, but an actively manufactured fluid with unique composition and essential functions.

    By Isabel Soto
  6. Physics

    What Is Photoelectric Absorption and How Does It Work?

    Unravel the science behind photoelectric absorption. Learn the complete process of light-matter interaction, from energy transfer to its diverse real-world applications.

    By Philip Hogan
  7. Biology

    How Does the Cardiovascular System Maintain Homeostasis?

    Learn how your cardiovascular system continuously adapts to maintain the body’s critical internal balance.

    By Stephen Floyd
  8. Earth & Space

    Why Don’t the Constellations Change?

    The stars in the night sky are moving rapidly. Discover how immense stellar distances and human timescales hide this constant galactic motion.

    By Alberto Contreras
  9. Physics

    How Did Robert Millikan Contribute to the Atomic Theory?

    Robert Millikan’s experiment quantified the electron’s charge, revealing the fundamental nature of electric charge and refining the structure of the atom.

    By Trevor Allen
  10. Chemistry

    What Is an Element Made Up Of?

    Uncover the fundamental particles that form chemical elements. Learn how the structure and count of these components define all matter.

    By Logan Tuazon
  11. Physics

    What Temperature Would Freeze a Human Instantly?

    Discover the scientific truth about how a human body freezes, from initial cooling to cellular changes. Debunking the myth of instant freezing.

    By Quinn Parsons
  12. Earth & Space

    What Does a Falling Star Actually Look Like?

    Discover the true visual characteristics of a meteor and the physics that transforms space debris into a brilliant streak of light.

    By Amar Singh
  13. Chemistry

    How Long Does It Take for Chlorine to Evaporate?

    Discover how long chlorine truly takes to evaporate. Learn the crucial factors affecting its dissipation in pools, tap water, and more for practical understanding.

    By Kavya Kulkarni
  14. Biology

    Why Are Old People Slow? The Science of Aging

    The scientific explanation for why aging slows us down, covering both mental processing speed and physical movement mechanics.

    By Amelia Ye